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10221021112 = 231775154567
BaseRepresentation
bin10011000010011100…
…00110011110111000
3222101022122200002111
421201032012132320
5131413040133422
64410115542104
7511200150241
oct114116063670
928338580074
1010221021112
114375555495
121b92bba934
13c6b7248b3
146cd657cc8
153ec4baa77
hex2613867b8

10221021112 has 16 divisors (see below), whose sum is σ = 20291733360. Its totient is φ = 4809892224.

The previous prime is 10221021079. The next prime is 10221021119. The reversal of 10221021112 is 21112012201.

It is a junction number, because it is equal to n+sod(n) for n = 10221021092 and 10221021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37577148 + ... + 37577419.

It is an arithmetic number, because the mean of its divisors is an integer number (1268233335).

Almost surely, 210221021112 is an apocalyptic number.

It is an amenable number.

10221021112 is a deficient number, since it is larger than the sum of its proper divisors (10070712248).

10221021112 is a wasteful number, since it uses less digits than its factorization.

10221021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75154590 (or 75154586 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221021112 its reverse (21112012201), we get a palindrome (31333033313).

The spelling of 10221021112 in words is "ten billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 75154567 150309134 300618268 601236536 1277627639 2555255278 5110510556 10221021112